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57i Series Kits > Performance Intake Kit

List Price: $158.14
Your Price: USD $91.99

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57-0050
 
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K&N 57i Series Induction Kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take a variety of different forms based on vehicle characteristics and available space under the hood. Each kit is designed to provide power throughout the RPM range. The extra surface area of these open-air air filters provide even more airflow at lower restriction than a K&N O/E replacement filter which is always limited to the size of the factory air box. The larger air filter also captures and holds more dirt increasing its service life before a cleaning is required (up to 100,000 miles). The filter is either directly attached to the engine carburetor or throttle body or indirectly through a tube assembly running from the filter to the engine. All adapters are made from high quality materials such as steel, aluminum, silicon or reinforced nylon to ensure long life. 57i Intakes are not legal for use in California and other US States adopting California emission standards.

[More Information on K&N 57i Induction Systems]
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Replaces entire factory air intake system
  • Not legal for highway use in states adopting California emission regulations
  • Washable and reusable lifetime air filter
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • K&N Million Mile Limited Warranty®

Product Specifications

Air Filter ColorRed
Air Filter Height6 in (152 mm)
Air Filter Large End Diameter4.75 in (121 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included1
Intake Pipe Color / FinishBlack
Intake Pipe MaterialFlex Hose
Product Box Height9 in (229 mm)
Product Box Length9 in (229 mm)
Product Box Width9 in (229 mm)
Product Style57i Series International Kits
Replacement FilterRC-4540
Street Legal In All US States No
TUV Approved (Europe)No
TypeGen I
Weight1.9 lb (0.8 kg)


Customer Feedback


All I can say is wow.  I have a 1996 Land Rover Discovery se-7 these trucks are very durable and strong but gas consumption is not one of their good points.  Before I bought the K&N air filter I was getting about 13 mpg town and about 18 mpg Highway with stock Land Rover filters.  Once I bought the K&N air filter my results changed very much.  I now average 16 mpg town and 20-22 mpg highway and I have more horsepower plus on my truck I have 30" tires a steel bumper and steel wheels.  The K&N filters are the best.  My mom has one in her Range Rover and the mileage increased.  K&N makes the best air filters in the world BAR NONE.
J.T., Union City, California
The k&n air filter added 6 miles to the gallon on my 2008 land rover. I have used the air filters in my last 6 vehicles. I am very pleased with this product.
Kathy Smallwood, Kentucky
5th vehicle to experience a documented 2 to 4% increase in fuel mileage with a K&N. New 2013 Land Rover Evoque went from 26 city/ 31 highway to 28 city/ 33.5 highway. Our other vehicle, a 06 Lexus GS, went from 27 city/34 highway to 29 city/38+ highway, what more can I say, K&N works.
Robert / Anne Brzycki, New Berlin, Wisconsin